25 |
|
|
26 |
|
#include "UseTheForce/DUFF.hpp" |
27 |
|
#include "UseTheForce/DarkSide/lj_interface.h" |
28 |
+ |
#include "UseTheForce/DarkSide/charge_interface.h" |
29 |
+ |
#include "UseTheForce/DarkSide/dipole_interface.h" |
30 |
+ |
#include "UseTheForce/DarkSide/sticky_interface.h" |
31 |
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|
32 |
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namespace oopse { |
33 |
|
|
36 |
|
return new DUFF(); |
37 |
|
} |
38 |
|
|
39 |
< |
//register createDUFF to ForceFieldCreator |
39 |
> |
//register createDUFF to ForceFieldFactory |
40 |
|
ForceFieldFactory::getInstance()->registerForceField("DUFF", createDUFF); |
41 |
|
|
42 |
+ |
|
43 |
+ |
ParseState DUFF::getSection(const std::string& section) { |
44 |
+ |
ParseState result; |
45 |
+ |
|
46 |
+ |
switch(section) { |
47 |
+ |
case "AtomTypes" : |
48 |
+ |
result = DUFF::AtomTypeSection; |
49 |
+ |
break; |
50 |
+ |
case "DirectionalAtomTypes" : |
51 |
+ |
result = DUFF::DirectionalAtomTypeSection; |
52 |
+ |
break; |
53 |
+ |
|
54 |
+ |
case "BondTypes" : |
55 |
+ |
result = DUFF::BondTypeSection; |
56 |
+ |
break; |
57 |
+ |
|
58 |
+ |
case "BendTypes" : |
59 |
+ |
result = DUFF::BendTypeSection; |
60 |
+ |
break; |
61 |
+ |
|
62 |
+ |
case "TorsionTypes" : |
63 |
+ |
result = DUFF::TorsionTypeSection; |
64 |
+ |
break; |
65 |
+ |
default: |
66 |
+ |
result = DUFF::UnknownSection; |
67 |
+ |
} |
68 |
+ |
|
69 |
+ |
return result; |
70 |
+ |
} |
71 |
+ |
|
72 |
|
void DUFF::parse(const std::string& filename) { |
73 |
|
ifstrstream* ffStream; |
74 |
|
ffStream = openForceFiledFile(filename); |
75 |
|
const int bufferSize = 65535; |
76 |
< |
char line[bufferSize]; |
77 |
< |
AtomType* atomType; |
45 |
< |
std::string atomTypeName; |
46 |
< |
double mass; |
47 |
< |
double epsilon; |
48 |
< |
double sigma; |
49 |
< |
int status; |
50 |
< |
int ident = 1; //ident begins from 1 (fortran's index begins from 1) |
76 |
> |
std::string line; |
77 |
> |
char buffer[bufferSize]; |
78 |
|
int lineNo = 0; |
79 |
< |
|
80 |
< |
while(ffStream.getline(line, bufferSize)){ |
79 |
> |
int atomIdent = getNAtomType() + 1; //atom's indent begins from 1 (since only fortran's array begins from 1) |
80 |
> |
ParseState currentSection = DUFF::UnknownSection; |
81 |
> |
|
82 |
> |
while(ffStream.getline(buffer, bufferSize)){ |
83 |
|
++lineNo; |
84 |
|
|
85 |
< |
//a line begins with '#' or '!' is comment which is skipped |
86 |
< |
if (line[0] != '#' ||line[0] != '!') { |
87 |
< |
StringTokenizer tokenizer(line); |
88 |
< |
|
89 |
< |
if (tokenizer.countTokens() >= 4) { |
61 |
< |
atomTypeName = tokenizer.nextToken(); |
62 |
< |
mass = tokenizer.nextTokenAsDouble(); |
63 |
< |
epsilon = tokenizer.nextTokenAsDouble(); |
64 |
< |
sigma = tokenizer.nextTokenAsDouble(); |
85 |
> |
line = trimSpaces(buffer); |
86 |
> |
//a line begins with "//" is comment |
87 |
> |
if ( line.empty() || (line.size() >= 2 && line[0] == '/' && line[1] == '/')) { |
88 |
> |
continue; |
89 |
> |
} else { |
90 |
|
|
91 |
< |
atomType = new AtomType(); |
92 |
< |
atomType->setName(atomTypeName); |
93 |
< |
atomType->setMass(mass); |
94 |
< |
|
70 |
< |
//by default, all of the properties in AtomTypeProperties is set to 0 |
71 |
< |
//In Lennard-Jones Force Field, we only need to set Lennard-Jones to true |
72 |
< |
atomType->setLennardJones(); |
91 |
> |
switch(currentSection) { |
92 |
> |
case DUFF::AtomTypeSection : |
93 |
> |
parseAtomType(line, lineNo, atomIdent); |
94 |
> |
break; |
95 |
|
|
96 |
< |
atomType->setIdent(ident); |
97 |
< |
atomType->addProperty(new DoubleGenericData("Epsilon", epsilon)); |
98 |
< |
atomType->addProperty(new DoubleGenericData("Sigma", sigma)); |
99 |
< |
atomType->complete(); |
100 |
< |
//notify a new LJtype atom type is created |
101 |
< |
newLJtype(&ident, &sigma, &epsilon, &status); |
96 |
> |
case DUFF::DirectionalAtomTypeSection : |
97 |
> |
parseDirectionalAtomType(line, lineNo); |
98 |
> |
break; |
99 |
> |
|
100 |
> |
case DUFF::BondTypeSection : |
101 |
> |
parseBondType(line, lineNo); |
102 |
> |
break; |
103 |
|
|
104 |
< |
//add atom type to AtomTypeContainer |
105 |
< |
addAtomType(atomTypeName, atomType); |
106 |
< |
++ident; |
104 |
> |
case DUFF::BendTypeSection : |
105 |
> |
parseBendType(line, lineNo); |
106 |
> |
break; |
107 |
> |
|
108 |
> |
case DUFF::TorsionTypeSection : |
109 |
> |
parseTorsionType(line, lineNo); |
110 |
> |
break; |
111 |
> |
|
112 |
> |
case DUFF::UnknownSection: |
113 |
> |
StringTokenizer tokenizer(line); |
114 |
> |
|
115 |
> |
std::string keyword = tokenizer.nextToken(); |
116 |
> |
std::string section = tokenizer.nextToken(); |
117 |
> |
|
118 |
> |
ParseState newSection = getSection(section); |
119 |
> |
if (keyword != "begin" || keyword != "end") { |
120 |
> |
std::cerr << "DUFF Parsing Error at line " << lineNo << ": " << line << std::endl; |
121 |
> |
} else if (keyword == "begin") { |
122 |
> |
if (newSection == DUFF::UnknownSection) { |
123 |
> |
std::cerr << "DUFF Parsing Error at line " << lineNo << ": " << line << std::endl; |
124 |
> |
} else { |
125 |
> |
//enter a new section |
126 |
> |
currentSection = newSection; |
127 |
> |
} |
128 |
> |
|
129 |
> |
} else if (keyword == "end"){ |
130 |
> |
if (currentSection == newSection) ) { |
131 |
> |
//leave a section |
132 |
> |
currentSection = DUFF::UnknownSection; |
133 |
> |
} else { |
134 |
> |
std::cerr << "DUFF Parsing Error at line " << lineNo << ": " << line << std::endl; |
135 |
> |
} |
136 |
> |
|
137 |
> |
} |
138 |
> |
break; |
139 |
> |
default : |
140 |
|
|
85 |
– |
} else { |
86 |
– |
sprintf( painCave.errMsg, |
87 |
– |
"Not enough tokens when parsing Lennard-Jones Force Field : %s\n" |
88 |
– |
"in line %d : %s\n", |
89 |
– |
filename.c_str(), lineNo, line); |
90 |
– |
painCave.severity = OOPSE_ERROR; |
91 |
– |
painCave.isFatal = 1; |
92 |
– |
simError(); |
141 |
|
} |
142 |
|
|
143 |
|
} |
146 |
|
delete ffStream; |
147 |
|
} |
148 |
|
|
149 |
+ |
void DUFF::parseAtomType(const std::string& line, int lineNo, int& ident){ |
150 |
+ |
StringTokenizer tokenizer(line); |
151 |
+ |
int nTokens = tokenizer.countTokens(); |
152 |
|
|
153 |
< |
void DUFF::parseAtomType(){ |
153 |
> |
//in AtomTypeSection, a line at least contains 5 tokens |
154 |
> |
//atomTypeName, is Directional, isLJ, isCharge and mass |
155 |
> |
if (nTokens < 5) { |
156 |
> |
|
157 |
> |
} else { |
158 |
> |
|
159 |
> |
std::string atomTypeName = tokenizer.nextToken(); |
160 |
> |
bool isDirectional = tokenizer.nextTokenAsBool(); |
161 |
> |
bool isLJ = tokenizer.nextTokenAsBool(); |
162 |
> |
bool isCharge = tokenizer.nextTokenAsBool(); |
163 |
> |
double mass = tokenizer.nextTokenAsDouble(); |
164 |
> |
double epsilon; |
165 |
> |
double sigma; |
166 |
> |
double charge; |
167 |
> |
nTokens -= 5; |
168 |
> |
|
169 |
> |
//parse epsilon and sigma |
170 |
> |
if (isLJ) { |
171 |
> |
if (nTokens >= 2) { |
172 |
> |
epsilon = tokenizer.nextTokenAsDouble(); |
173 |
> |
sigma = tokenizer.nextTokenAsDouble(); |
174 |
> |
nTokens -= 2; |
175 |
> |
} else { |
176 |
> |
|
177 |
> |
} |
178 |
> |
} |
179 |
> |
|
180 |
> |
//parse charge |
181 |
> |
if (isCharge) { |
182 |
> |
if (nTokens >= 1) { |
183 |
> |
charge = tokenizer.nextTokenAsDouble(); |
184 |
> |
nTokens -= 1; |
185 |
> |
} else { |
186 |
> |
|
187 |
> |
} |
188 |
> |
} |
189 |
> |
|
190 |
> |
AtomType* atomType; |
191 |
> |
if (isDirectional) { |
192 |
> |
atomType = new DirectionalAtomType(); |
193 |
> |
} else { |
194 |
> |
atomType = new AtomType(); |
195 |
> |
} |
196 |
> |
|
197 |
> |
atomType->setName(atomTypeName); |
198 |
> |
atomType->setMass(mass); |
199 |
> |
|
200 |
> |
if (isLJ) { |
201 |
> |
atomType->setLennardJones(); |
202 |
> |
} |
203 |
> |
|
204 |
> |
if (isCharge) { |
205 |
> |
atomType->setCharge(); |
206 |
> |
} |
207 |
> |
|
208 |
> |
atomType->setIdent(ident); |
209 |
> |
|
210 |
> |
atomType->complete(); |
211 |
> |
|
212 |
> |
int setLJStatus; |
213 |
> |
|
214 |
> |
//notify a new LJtype atom type is created |
215 |
> |
if (isLJ) { |
216 |
> |
newLJtype(&ident, &sigma, &epsilon, &setLJStatus); |
217 |
> |
} |
218 |
> |
|
219 |
> |
int setChargeStatus; |
220 |
> |
if (isCharge) { |
221 |
> |
newChargeType(&ident, &charge, &setChargeStatus) |
222 |
> |
} |
223 |
> |
|
224 |
> |
if (setLJStatus && setChargeStatus) { |
225 |
> |
//add atom type to AtomTypeContainer |
226 |
> |
addAtomType(atomTypeName, atomType); |
227 |
> |
++ident; |
228 |
> |
} else { |
229 |
> |
//error in notifying fortran |
230 |
> |
delete atomType; |
231 |
> |
} |
232 |
> |
} |
233 |
> |
|
234 |
|
} |
235 |
|
|
236 |
< |
void DUFF::parseBondType(){ |
236 |
> |
|
237 |
> |
void DUFF::parseDirectionalAtomType(const std::string& line, int lineNo) { |
238 |
> |
StringTokenizer tokenizer(line); |
239 |
> |
int nTokens = tokenizer.countTokens(); |
240 |
> |
|
241 |
> |
//in irectionalAtomTypeSection, a line at least contains 6 tokens |
242 |
> |
//AtomTypeName, isDipole, isSticky, I_xx, I_yy and I_zz |
243 |
> |
if (nTokens < 6) { |
244 |
> |
|
245 |
> |
} else { |
246 |
> |
|
247 |
> |
|
248 |
> |
std::string atomTypeName = tokenizer.nextToken(); |
249 |
> |
bool isDipole = tokenizer.nextTokenAsBool(); |
250 |
> |
bool isSticky = tokenizer.nextTokenAsBool(); |
251 |
> |
double Ixx = tokenizer.nextTokenAsDouble(); |
252 |
> |
double Iyy = tokenizer.nextTokenAsDouble(); |
253 |
> |
double Izz = tokenizer.nextTokenAsDouble(); |
254 |
> |
nTokens -= 6; |
255 |
> |
|
256 |
> |
AtomType* atomType = getAtomType(atomTypeName); |
257 |
> |
if (atomType == NULL) { |
258 |
> |
|
259 |
> |
} |
260 |
> |
|
261 |
> |
DirectionalAtomType* dAtomType = dynamic_cast<DirectionalAtomType*>(atomType); |
262 |
> |
if (dAtomType == NULL) { |
263 |
> |
|
264 |
> |
|
265 |
> |
} |
266 |
> |
|
267 |
> |
if (isDipole) { |
268 |
> |
dAtomType->setDipole(); |
269 |
> |
} |
270 |
> |
|
271 |
> |
if (isSticky) { |
272 |
> |
dAtomType->setSticky(); |
273 |
> |
} |
274 |
> |
|
275 |
> |
Mat3x3d inertialMat; |
276 |
> |
inertialMat(0, 0) = Ixx; |
277 |
> |
inertialMat(1, 1) = Ixx; |
278 |
> |
inertialMat(2, 2) = Ixx; |
279 |
> |
dAtomType->setI(inertialMat); |
280 |
> |
|
281 |
> |
//read dipole moment |
282 |
> |
double dipole; |
283 |
> |
if (isDipole) { |
284 |
> |
if (nTokens >= 1) { |
285 |
> |
dipole = tokenizer.nextTokenAsDouble(); |
286 |
> |
nTokens -= 1; |
287 |
> |
} else { |
288 |
> |
|
289 |
> |
} |
290 |
> |
} |
291 |
> |
|
292 |
> |
//read sticky parameters |
293 |
> |
double w0; |
294 |
> |
double v0; |
295 |
> |
double v0p; |
296 |
> |
double rl; |
297 |
> |
double ru; |
298 |
> |
double rlp; |
299 |
> |
double rup; |
300 |
> |
if (isSticky) { |
301 |
> |
if (nTokens >= 7) { |
302 |
> |
w0 = tokenizer.nextTokenAsDouble(); |
303 |
> |
v0 = tokenizer.nextTokenAsDouble(); |
304 |
> |
v0p = tokenizer.nextTokenAsDouble(); |
305 |
> |
rl = tokenizer.nextTokenAsDouble(); |
306 |
> |
ru = tokenizer.nextTokenAsDouble(); |
307 |
> |
rlp = tokenizer.nextTokenAsDouble(); |
308 |
> |
rup = tokenizer.nextTokenAsDouble(); |
309 |
> |
nTokens -= 7; |
310 |
> |
} else { |
311 |
> |
|
312 |
> |
} |
313 |
> |
} |
314 |
> |
|
315 |
> |
|
316 |
> |
//notify fotran a newDipoleType is created |
317 |
> |
int ident = dAtomType->getIdent(); |
318 |
> |
int setDipoleStatus; |
319 |
> |
if (isDipole) { |
320 |
> |
newDipoleType(&ident, &dipole, &setDipoleStatus); |
321 |
> |
} |
322 |
> |
|
323 |
> |
//notify fotran a StickyType is created |
324 |
> |
int setStickyStatus; |
325 |
> |
if (isSticky) { |
326 |
> |
makeStickyType( &w0, &v0, &v0p, &rl, &ru, &rlp, &rup); |
327 |
> |
} |
328 |
> |
|
329 |
> |
|
330 |
> |
if (!setDipoleStatus || !setStickyStatus) { |
331 |
> |
|
332 |
> |
} |
333 |
> |
|
334 |
> |
} |
335 |
|
} |
336 |
|
|
337 |
< |
void DUFF::parseBendType(){ |
337 |
> |
void DUFF::parseBondType(const std::string& line, int lineNo){ |
338 |
> |
|
339 |
> |
StringTokenizer tokenizer(line); |
340 |
> |
std::string at1; |
341 |
> |
std::string at2; |
342 |
> |
std::string bt; |
343 |
> |
BondType* bondType = NULL; |
344 |
> |
double b0; |
345 |
> |
|
346 |
> |
int nTokens = tokenizer.countTokens(); |
347 |
> |
|
348 |
> |
if (nTokens < 4) { |
349 |
> |
|
350 |
> |
return; |
351 |
> |
} |
352 |
> |
|
353 |
> |
at1 = tokenizer.nextToken(); |
354 |
> |
at2 = tokenizer.nextToken(); |
355 |
> |
bt = tokenizer.nextToken(); |
356 |
> |
b0 = tokenizer.nextTokenAsDouble(); |
357 |
> |
nTokens -= 4; |
358 |
> |
|
359 |
> |
//switch is a maintain nightmare |
360 |
> |
switch(bt) { |
361 |
> |
case "FixedBondType" : |
362 |
> |
bondType = new FixedBondType(); |
363 |
> |
break; |
364 |
> |
|
365 |
> |
case "HarmonicBondType" : |
366 |
> |
if (nTokens < 1) { |
367 |
> |
|
368 |
> |
} else { |
369 |
> |
|
370 |
> |
double kb = tokenizer.nextTokenAsDouble(); |
371 |
> |
bondType = new HarmonicBondType(b0, kb); |
372 |
> |
} |
373 |
> |
|
374 |
> |
break; |
375 |
> |
|
376 |
> |
case "CubicBondType" : |
377 |
> |
if (nTokens < 4) { |
378 |
> |
|
379 |
> |
} else { |
380 |
> |
|
381 |
> |
double k3 = tokenizer.nextTokenAsDouble(); |
382 |
> |
double k2 = tokenizer.nextTokenAsDouble(); |
383 |
> |
double k1 = tokenizer.nextTokenAsDouble(); |
384 |
> |
double k0 = tokenizer.nextTokenAsDouble(); |
385 |
> |
|
386 |
> |
bondType = new CubicBondType(b0, k3, k2, k1, k0); |
387 |
> |
} |
388 |
> |
break; |
389 |
> |
|
390 |
> |
case "QuadraticBondType" : |
391 |
> |
if (nTokens < 5) { |
392 |
> |
|
393 |
> |
} else { |
394 |
> |
|
395 |
> |
b0 = tokenizer.nextTokenAsDouble(); |
396 |
> |
double k4 = tokenizer.nextTokenAsDouble(); |
397 |
> |
double k3 = tokenizer.nextTokenAsDouble(); |
398 |
> |
double k2 = tokenizer.nextTokenAsDouble(); |
399 |
> |
double k1 = tokenizer.nextTokenAsDouble(); |
400 |
> |
double k0 = tokenizer.nextTokenAsDouble(); |
401 |
> |
|
402 |
> |
bondType = new QuadraticBondType(b0, k4, k3, k2, k1, k0); |
403 |
> |
} |
404 |
> |
break; |
405 |
> |
|
406 |
> |
case "PolynomialBondType " : |
407 |
> |
if (nTokens < 2 || nTokens % 2 != 0) { |
408 |
> |
|
409 |
> |
} else { |
410 |
> |
int nPairs = nTokens / 2; |
411 |
> |
int power; |
412 |
> |
double coefficient; |
413 |
> |
PolynomialBondType pbt = new PolynomialBondType(); |
414 |
> |
|
415 |
> |
for (int i = 0; i < nPairs; ++i) { |
416 |
> |
power = tokenizer.nextTokenAsInt(); |
417 |
> |
coefficient = tokenizer.nextTokenAsDouble(); |
418 |
> |
pbt->setCoefficient(power, coefficient); |
419 |
> |
} |
420 |
> |
} |
421 |
> |
|
422 |
> |
break; |
423 |
> |
|
424 |
> |
default: |
425 |
> |
|
426 |
> |
} |
427 |
> |
|
428 |
> |
if (bondType != NULL) { |
429 |
> |
addBondType(at1, at2, bondType); |
430 |
> |
} |
431 |
|
} |
432 |
|
|
433 |
< |
void DUFF::parseTorsionType(){ |
433 |
> |
void DUFF::parseBendType(const std::string& line, int lineNo){ |
434 |
> |
StringTokenizer tokenizer(line); |
435 |
> |
std::string at1; |
436 |
> |
std::string at2; |
437 |
> |
std::string at3; |
438 |
> |
std::string bt; |
439 |
> |
double theta0; |
440 |
> |
BendType* bendType = NULL; |
441 |
|
|
442 |
+ |
int nTokens = tokenizer.countTokens(); |
443 |
+ |
|
444 |
+ |
if (nTokens < 5) { |
445 |
+ |
|
446 |
+ |
return; |
447 |
+ |
} |
448 |
+ |
|
449 |
+ |
at1 = tokenizer.nextToken(); |
450 |
+ |
at2 = tokenizer.nextToken(); |
451 |
+ |
at3 = tokenizer.nextToken(); |
452 |
+ |
bt = tokenizer.nextToken(); |
453 |
+ |
theta0 = tokenizer.nextTokenAsDouble(); |
454 |
+ |
nTokens -= 5; |
455 |
+ |
|
456 |
+ |
//switch is a maintain nightmare |
457 |
+ |
switch(bt) { |
458 |
+ |
|
459 |
+ |
case "HarmonicBendType" : |
460 |
+ |
|
461 |
+ |
if (nTokens < 1) { |
462 |
+ |
|
463 |
+ |
} else { |
464 |
+ |
|
465 |
+ |
double ktheta = tokenizer.nextTokenAsDouble(); |
466 |
+ |
bendType = new HarmonicBendType(theta0, ktheta); |
467 |
+ |
} |
468 |
+ |
break; |
469 |
+ |
case "GhostBendType" : |
470 |
+ |
if (nTokens < 1) { |
471 |
+ |
|
472 |
+ |
} else { |
473 |
+ |
double ktheta = tokenizer.nextTokenAsDouble(); |
474 |
+ |
bendType = new HarmonicBendType(theta0, ktheta); |
475 |
+ |
} |
476 |
+ |
break; |
477 |
+ |
|
478 |
+ |
case "UreyBradleyBendType" : |
479 |
+ |
if (nTokens < 3) { |
480 |
+ |
|
481 |
+ |
} else { |
482 |
+ |
double ktheta = tokenizer.nextTokenAsDouble(); |
483 |
+ |
double s0 = tokenizer.nextTokenAsDouble(); |
484 |
+ |
double kub = tokenizer.nextTokenAsDouble(); |
485 |
+ |
bendType = new UreyBradleyBendType(theta0, ktheta, s0, kub); |
486 |
+ |
} |
487 |
+ |
break; |
488 |
+ |
|
489 |
+ |
case "CubicBendType" : |
490 |
+ |
if (nTokens < 4) { |
491 |
+ |
|
492 |
+ |
} else { |
493 |
+ |
|
494 |
+ |
double k3 = tokenizer.nextTokenAsDouble(); |
495 |
+ |
double k2 = tokenizer.nextTokenAsDouble(); |
496 |
+ |
double k1 = tokenizer.nextTokenAsDouble(); |
497 |
+ |
double k0 = tokenizer.nextTokenAsDouble(); |
498 |
+ |
|
499 |
+ |
bendType = new CubicBendType(theta0, k3, k2, k1, k0); |
500 |
+ |
} |
501 |
+ |
break; |
502 |
+ |
|
503 |
+ |
case "QuadraticBendType" : |
504 |
+ |
if (nTokens < 5) { |
505 |
+ |
|
506 |
+ |
} else { |
507 |
+ |
|
508 |
+ |
theta0 = tokenizer.nextTokenAsDouble(); |
509 |
+ |
double k4 = tokenizer.nextTokenAsDouble(); |
510 |
+ |
double k3 = tokenizer.nextTokenAsDouble(); |
511 |
+ |
double k2 = tokenizer.nextTokenAsDouble(); |
512 |
+ |
double k1 = tokenizer.nextTokenAsDouble(); |
513 |
+ |
double k0 = tokenizer.nextTokenAsDouble(); |
514 |
+ |
|
515 |
+ |
bendType = new QuadraticBendType(theta0, k4, k3, k2, k1, k0); |
516 |
+ |
} |
517 |
+ |
break; |
518 |
+ |
|
519 |
+ |
case "PolynomialBendType " : |
520 |
+ |
if (nTokens < 2 || nTokens % 2 != 0) { |
521 |
+ |
|
522 |
+ |
} else { |
523 |
+ |
int nPairs = nTokens / 2; |
524 |
+ |
int power; |
525 |
+ |
double coefficient; |
526 |
+ |
PolynomialBendType* pbt = new PolynomialBendType(); |
527 |
+ |
|
528 |
+ |
for (int i = 0; i < nPairs; ++i) { |
529 |
+ |
power = tokenizer.nextTokenAsInt(); |
530 |
+ |
coefficient = tokenizer.nextTokenAsDouble(); |
531 |
+ |
pbt->setCoefficient(power, coefficient); |
532 |
+ |
} |
533 |
+ |
} |
534 |
+ |
|
535 |
+ |
break; |
536 |
+ |
|
537 |
+ |
default: |
538 |
+ |
|
539 |
+ |
} |
540 |
+ |
|
541 |
+ |
if (bendType != NULL) { |
542 |
+ |
addBendType(at1, at2, at3, bendType); |
543 |
+ |
} |
544 |
+ |
|
545 |
|
} |
546 |
|
|
547 |
< |
} //end namespace oopse |
547 |
> |
void DUFF::parseTorsionType(const std::string& line, int lineNo){ |
548 |
> |
StringTokenizer tokenizer(line); |
549 |
> |
std::string at1; |
550 |
> |
std::string at2; |
551 |
> |
std::string at3; |
552 |
> |
std::string at4; |
553 |
> |
std::string tt; |
554 |
> |
TorsionType* bendType = NULL; |
555 |
|
|
556 |
+ |
int nTokens = tokenizer.countTokens(); |
557 |
+ |
|
558 |
+ |
if (nTokens < 5) { |
559 |
+ |
|
560 |
+ |
return; |
561 |
+ |
} |
562 |
+ |
|
563 |
+ |
at1 = tokenizer.nextToken(); |
564 |
+ |
at2 = tokenizer.nextToken(); |
565 |
+ |
at3 = tokenizer.nextToken(); |
566 |
+ |
at4 = tokenizer.nextToken(); |
567 |
+ |
tt = tokenizer.nextToken(); |
568 |
+ |
|
569 |
+ |
nTokens -= 5; |
570 |
+ |
|
571 |
+ |
switch(tt) { |
572 |
+ |
|
573 |
+ |
case "CubicTorsionType" : |
574 |
+ |
if (nTokens < 4) { |
575 |
+ |
|
576 |
+ |
} else { |
577 |
+ |
|
578 |
+ |
double k3 = tokenizer.nextTokenAsDouble(); |
579 |
+ |
double k2 = tokenizer.nextTokenAsDouble(); |
580 |
+ |
double k1 = tokenizer.nextTokenAsDouble(); |
581 |
+ |
double k0 = tokenizer.nextTokenAsDouble(); |
582 |
+ |
|
583 |
+ |
bendType = new CubicTorsionType(k3, k2, k1, k0); |
584 |
+ |
} |
585 |
+ |
break; |
586 |
+ |
|
587 |
+ |
case "QuadraticTorsionType" : |
588 |
+ |
if (nTokens < 5) { |
589 |
+ |
|
590 |
+ |
} else { |
591 |
+ |
|
592 |
+ |
theta0 = tokenizer.nextTokenAsDouble(); |
593 |
+ |
double k4 = tokenizer.nextTokenAsDouble(); |
594 |
+ |
double k3 = tokenizer.nextTokenAsDouble(); |
595 |
+ |
double k2 = tokenizer.nextTokenAsDouble(); |
596 |
+ |
double k1 = tokenizer.nextTokenAsDouble(); |
597 |
+ |
double k0 = tokenizer.nextTokenAsDouble(); |
598 |
+ |
|
599 |
+ |
bendType = new QuadraticTorsionType( k4, k3, k2, k1, k0); |
600 |
+ |
} |
601 |
+ |
break; |
602 |
+ |
|
603 |
+ |
case "PolynomialTorsionType " : |
604 |
+ |
if (nTokens < 2 || nTokens % 2 != 0) { |
605 |
+ |
|
606 |
+ |
} else { |
607 |
+ |
int nPairs = nTokens / 2; |
608 |
+ |
int power; |
609 |
+ |
double coefficient; |
610 |
+ |
PolynomialTorsionType* pbt = new PolynomialTorsionType(); |
611 |
+ |
|
612 |
+ |
for (int i = 0; i < nPairs; ++i) { |
613 |
+ |
power = tokenizer.nextTokenAsInt(); |
614 |
+ |
coefficient = tokenizer.nextTokenAsDouble(); |
615 |
+ |
pbt->setCoefficient(power, coefficient); |
616 |
+ |
} |
617 |
+ |
} |
618 |
+ |
|
619 |
+ |
break; |
620 |
+ |
case "CharmmTorsionType" : |
621 |
+ |
|
622 |
+ |
if (nTokens < 3 || nTokens % 3 != 0) { |
623 |
+ |
|
624 |
+ |
} else { |
625 |
+ |
int nSets = nTokens / 3; |
626 |
+ |
|
627 |
+ |
CharmmTorsionType* ctt = new CharmmTorsionType(); |
628 |
+ |
|
629 |
+ |
for (int i = 0; i < nSets; ++i) { |
630 |
+ |
double kchi = tokenizer.nextTokenAsDouble(); |
631 |
+ |
int n = tokenizer.nextTokenAsInt(); |
632 |
+ |
double delta = tokenizer.nextTokenAsDouble(); |
633 |
+ |
|
634 |
+ |
ctt->setCharmmTorsionParameter(kchi, n, delta); |
635 |
+ |
} |
636 |
+ |
} |
637 |
+ |
default: |
638 |
+ |
|
639 |
+ |
} |
640 |
+ |
|
641 |
+ |
if (bendType != NULL) { |
642 |
+ |
addTorsionType(at1, at2, at3, bendType); |
643 |
+ |
} |
644 |
+ |
} |
645 |
+ |
|
646 |
+ |
} //end namespace oopse |